NASA's Curiosity Rover has spotted ancient wave ripples on Mars, providing evidence that liquid water flowed on the planet ...

NASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

NASA’s Curiosity rover has uncovered wave-like patterns carved into Martian rock, suggesting that liquid water existed on the ...

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the ...

The "Curiosity" rover has taken a highly fascinating photo on Mars. The photo published on the website of the US space agency ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

NASA’s Mars rover has made a discovery ‘unlike anything we’ve ever seen’, and it could help scientists have a better ...